Rockwell Automation 1305 AC Drive, Series C, Firmware 6.xx and Up User Manual
Page 91

Programming
5-23
Advanced Setup Group
(continued)
[DC Hold Volts]
Parameter # 13
Factory Default 0 Volts
[DC Hold Volts]
Parameter Type Read & Write
Minimum 0 Volts
This parameter value sets the DC voltage applied to the
motor during braking when the [Stop Select] is set to
either ‘‘DC Brake” or ‘‘Ramp”.
Important: When setting this parameter, begin at a low
voltage and continue increasing until sufficient holding
torque is achieved and the drive output current rating is not
exceeded.
Units 1 Volt
Maximum
25% of Max. Drive Rated Volts
[DB Enable]
Parameter # 11
Factory Default ‘‘Disabled”
[DB Enable]
Parameter Type Read & Write
This parameter enables the use of external dynamic brake
resisters by disabling the internal ramp regulation
Units Text
Settings ‘‘Enabled”
Permits dynamic brake operation
resisters by disabling the internal ramp regulation.
Important: Dynamic braking is not available for 0.37 - 0.75
kW (0.5 - 1HP) units rated 230 Volt.
‘‘Disabled”
Permits Ramp Regulation
[Motor Type]
Parameter # 41
Factory Default ‘‘Induc/Reluc”
[Motor Type]
Parameter Type Read & Write
Factory default for this parameter is an induction motor.
Changing this parameter to “Sync PM” causes
Units Text
Settings ‘‘Induc/Reluc”
Requires No Additional Setting for use with
induction/reluctance rated motors
Changing this parameter to Sync PM causes
[Compensation] and [Rated Slip] to be internally
disabled.
‘‘Sync PM”
Requires [Stop Select] to be set to a selection other
than ‘‘DC Brake” when used with Synchronous
Permanent Magnet Motors